PowerColor HD5770 Crossfire
 

What is there to say about the PowerColor HD5770 in a CrossFireX setup other than "Wow!"? The performance of the PowerColor HD5770 in a single card setup was about mid-range when it came down to the benchmarking scores, synthetic and real-world gaming performance. However, once you threw a second card into the setup, you were able to see some great numbers beginning to pop out.

http://www.overclockersclub.com/revi...770_crossfire/